Concrete slab cost in Alabama
Statewide estimate from BLS wages and BEA prices. Reviewed Nov 4, 2026.
- Statewide range (400 sq ft)
- $2,150 – $4,650
- Per sq ft
- $5.25 – $10.50
- before permit
- Versus US midpoint
- −11%
- US $3,850
- Metros covered
- 9
What does it cost to pour a concrete slab in Alabama? Plan on $2,150 to $4,650 for 400 sq ft. Wages (0.79x the US blend), materials (price index 96.4) and permit costs (88.8) put the state below the national midpoint by 11%.
Inside Alabama, the metros we cover range from $3,300 (Dothan) to $3,450 (Birmingham) at the midpoint. Pick your closest city in the table for a tighter number.
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Estimated cost for 400 sq ft in Alabama (statewide), standard level
$2,900 to $3,900
About $6.90 to $9.05 per sq ft before permits. Labor is about 37% of the bill.
| Part | Low | High |
|---|---|---|
| Materials | $1,600 | $2,250 |
| Labor | $1,150 | $1,400 |
| Permits and fees | $140 | $260 |
| Total | $2,900 | $3,900 |
Cost breakdown for 400 sq ft in Alabama
| Part of the job | Low | Midpoint | High | Share |
|---|---|---|---|---|
| Materials | $1,150 | $1,950 | $2,700 | 57% |
| Labor | $940 | $1,250 | $1,550 | 37% |
| Permits and fees | $45 | $200 | $360 | 6% |
| Total | $2,150 | $3,400 | $4,650 | 100% |
When Alabama weather lets you pour
Season matters for concrete slab. For each Alabama metro below we took NOAA's 1991-2020 monthly normals from the nearest suitable station and counted comfortable months for pouring concrete.
Daphne has the longest comfortable season of the metros we cover in Alabama at 11 months (February through December); Decatur has the shortest at 6 (March through June and September through October). Rainfall runs from 49 inches a year in Decatur to 66 inches in Daphne.
We do not adjust prices by month, because we have no reliable published data on seasonal pricing. Timing is still worth raising when you collect bids.
| Metro | Jan avg low °F | Jul avg high °F | Precip (in/yr) | Comfortable months |
|---|---|---|---|---|
| Birmingham | 35 | 91 | 57 | 7: March through June and September through November |
| Huntsville | 33 | 92 | 54 | 7: March through June and September through November |
| Mobile | 43 | 92 | 61 | 9: September through May |
| Montgomery | 37 | 94 | 51 | 6: March through May and September through November |
| Tuscaloosa | 35 | 92 | 57 | 6: March through May and September through November |
| Daphne | 39 | 89 | 66 | 11: February through December |
| Auburn | 35 | 89 | 56 | 9: March through November |
| Decatur | 32 | 90 | 49 | 6: March through June and September through October |
| Dothan | 40 | 93 | 54 | 8: February through May and September through December |
Concrete slab cost by metro in Alabama
4 of the 9 metros sit above the statewide midpoint of $3,400, and the top-to-bottom gap is 5%. Each row prices the default size with that metro's own BLS wages and BEA price levels, so the gap between rows is real local variation rather than a flat markup.
| Metro | Range (400 sq ft) | Midpoint | vs. state |
|---|---|---|---|
| Birmingham, AL | $2,200 – $4,700 | $3,450 | +2% |
| Huntsville, AL | $2,200 – $4,700 | $3,450 | +2% |
| Decatur, AL | $2,150 – $4,650 | $3,400 | +1% |
| Daphne, AL | $2,150 – $4,650 | $3,400 | +1% |
| Mobile, AL | $2,150 – $4,650 | $3,400 | level |
| Tuscaloosa, AL | $2,150 – $4,600 | $3,350 | level |
| Auburn, AL | $2,150 – $4,600 | $3,350 | level |
| Montgomery, AL | $2,150 – $4,600 | $3,350 | level |
| Dothan, AL | $2,100 – $4,500 | $3,300 | −3% |
Add-ons priced for Alabama
Extras are quoted nationally and then scaled to Alabama by the average of the local wage index (0.79) and goods index (0.96), a factor of 0.88. Tick any of them in the estimator above to add them to your total. Treat these as planning figures: an add-on touches different trades than the main job, so the scaling is an approximation.
| Add-on | Local range |
|---|---|
| Add rebar reinforcement | $350 – $1,050 |
| Remove old concrete first | $700 – $2,100 |
Quality levels and sizes in Alabama
The cited range is cut into three overlapping bands (basic, standard and premium) and scaled to statewide Alabama wages and prices. The grid prices the same bands at 5 common sizes.
Basic
$2,150 to $3,150
4-inch broom-finish slab, light mesh, easy truck access
Standard
$2,900 to $3,900
4-5 inch slab with rebar or heavier mesh and standard base prep
Premium
$3,650 to $4,650
6-inch slab, heavy reinforcement, thick base, pump truck or tight access
| Size | Basic | Standard | Premium |
|---|---|---|---|
| 10x10 pad (100 sq ft) | $570 – $910 | $830 – $1,150 | $1,100 – $1,400 |
| 12x12 (144 sq ft) | $800 – $1,250 | $1,150 – $1,550 | $1,450 – $1,900 |
| 20x20 (400 sq ft) | $2,150 – $3,150 | $2,900 – $3,900 | $3,650 – $4,650 |
| 24x24 garage floor (576 sq ft) | $3,050 – $4,450 | $4,100 – $5,450 | $5,150 – $6,500 |
| 30x40 foundation (1,200 sq ft) | $6,350 – $9,050 | $8,400 – $11,100 | $10,400 – $13,200 |
Concrete slab: what moves the price in Alabama
Thickness and mix
A 4-inch slab uses about 1.23 cubic yards of concrete per 100 sq ft; a 6-inch slab uses about 1.85. Stepping up from a 3,000 PSI to a 4,000-4,500 PSI mix adds $10-$40 per cubic yard (Estimators.us).
Base and reinforcement
A compacted gravel base, vapor barrier, and wire mesh or rebar are priced separately by some contractors and bundled by others. Ask which one your quote does.
Truck and pump access
If the mixer truck can't back up to the forms, someone has to wheelbarrow it in or hire a pump. Pump or line-pump hire is typically billed per day.
Small-job minimums
Many crews have a minimum charge, so a 10x10 pad can cost more per square foot than a 20x20 slab.
Finish
A broom finish is the baseline. Stamped, stained, or exposed-aggregate finishes are priced as add-ons on top of the slab.
Other Alabama jobs that often go with concrete slab
The table prices neighboring jobs at their usual sizes using statewide Alabama wages and prices. Against national midpoints, asphalt driveway comes out highest (−11%) and concrete driveway lowest (−16%), because each job leans on different trades.
| Project | Size | Range | vs. US |
|---|---|---|---|
| Concrete driveway | 600 sq ft | $3,100 – $7,700 | −16% |
| Concrete patio | 300 sq ft | $1,100 – $3,450 | −13% |
| Detached garage | 576 sq ft | $25,600 – $51,300 | −12% |
| Stamped concrete | 400 sq ft | $2,900 – $6,900 | −13% |
| Asphalt driveway | 600 sq ft | $2,750 – $6,550 | −11% |
| Gravel driveway | 1,000 sq ft | $2,200 – $8,950 | −12% |
How Alabama compares with nearby states
Alabama ranks 48 of 51 (the 50 states plus DC) for concrete slab, where 1 is the most expensive. The costliest is Hawaii at $5,150 and the cheapest Arkansas at $3,350, both for 400 sq ft at the midpoint. Alabama sits at $3,400. The five states closest by workforce center are listed below.
| State | Distance | Range | Midpoint | vs. here |
|---|---|---|---|---|
| Georgia | 170 miles away | $2,200 – $4,800 | $3,500 | +3% |
| Mississippi | 180 miles away | $2,150 – $4,600 | $3,400 | level |
| Tennessee | 190 miles away | $2,250 – $4,800 | $3,550 | +4% |
| Louisiana | 310 miles away | $2,200 – $4,650 | $3,400 | +1% |
| South Carolina | 350 miles away | $2,250 – $4,800 | $3,550 | +4% |
Wages behind the Alabama number
Statewide wages come from BLS's state-level estimates, which blend big cities with small towns and rural areas. 4 trades drive the labor line for this job, and the weighted ratio against the national wage level is 0.79 for Alabama.
For cement masons and concrete finishers (47-2051, weighted 50%) the local median is $21.50 an hour, which is 22% below the national $27.41. The middle half of them earn between $17.96 and $26.36 an hour. BLS counts 2,110 of them working in the state, 10.0 for every 10,000 jobs (US: 13.3), so the local bench is thinner than average.
Construction laborers (47-2061), 30% of the weighting: a median of $17.74 an hour, 22% below the US median of $22.66. The middle half of them earn between $14.41 and $21.75 an hour. About 18,400 work in the state. That is 87.1 per 10,000 jobs, compared with 70.5 nationally, which suggests plenty of local crews to bid.
For operating engineers and other construction equipment operators (47-2073, weighted 10%) the local median is $22.84 an hour, which is 21% below the national $28.78. The middle half of them earn between $19.12 and $27.66 an hour. BLS counts 9,640 of them working in the state, 45.6 for every 10,000 jobs (US: 30.7), so the local bench is deeper than average.
For carpenters (47-2031, weighted 10%) the local median is $23.18 an hour, which is 20% below the national $29.12. The middle half of them earn between $19.43 and $27.11 an hour. BLS counts 5,560 of them working in the state, 26.3 for every 10,000 jobs (US: 43.1), so the local bench is thinner than average.
A crew paid at the 75th percentile for cement masons and concrete finishers ($26.36 an hour) would add about $140 to the statewide midpoint; one at the 25th percentile ($17.96) would take off about $100. Use that as a rough guide to how far a bid can sit from our midpoint on wages alone.
BLS counts 2,113,660 jobs across Alabama (May 2025), which is 1.4% of US employment.
| Trade | Weight | 25th pct | Median | 75th pct | US median | Ratio | Level used |
|---|---|---|---|---|---|---|---|
| Cement masons and concrete finishers (47-2051) | 50% | $17.96 | $21.50 | $26.36 | $27.41 | 0.78 | state |
| Construction laborers (47-2061) | 30% | $14.41 | $17.74 | $21.75 | $22.66 | 0.78 | state |
| Operating engineers and other construction equipment operators (47-2073) | 10% | $19.12 | $22.84 | $27.66 | $28.78 | 0.79 | state |
| Carpenters (47-2031) | 10% | $19.43 | $23.18 | $27.11 | $29.12 | 0.80 | state |
| Blended | 100% | 0.79 | |||||
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Concrete slab in Alabama: your questions
+How much does it cost to pour a concrete slab in Alabama?
$2,150 to $4,650 for 400 sq ft, using statewide wages and prices. Metro areas inside Alabama can sit above or below that.
+Which city in Alabama is cheapest for concrete slab?
Dothan at about $3,300 (midpoint, 400 sq ft). The priciest is Birmingham at $3,450.
+Is concrete slab cheaper in Alabama than the US average?
It is 11% cheaper: $3,400 against $3,850 for 400 sq ft at the midpoint.
+What share of the price is labor in Alabama?
About 37% ($1,250). Materials are 57%. Statewide labor for this job is weighted 0.79x the national wage level.
+Does a concrete slab need a permit?
Often yes if it's structural (a garage floor or foundation) and often no for a small at-grade pad. Permit fees run $50-$400 depending on the city (HomeGuide).
+What do cement masons and concrete finishers earn in Alabama?
The BLS statewide median is $21.50 an hour, against $27.41 for the US. The 25th to 75th percentile range is $17.96 to $26.36.
+Where does Alabama rank for concrete slab costs?
48th most expensive of 51 (the 50 states plus DC) at the midpoint, $3,400 for 400 sq ft. Rank 1 is the costliest.
+What do basic and premium concrete slab work cost in Alabama?
For 400 sq ft, basic work runs $2,150 to $3,150 and premium work $3,650 to $4,650. Basic means: 4-inch broom-finish slab, light mesh, easy truck access. Premium means: 6-inch slab, heavy reinforcement, thick base, pump truck or tight access.
+Does the season matter for concrete slab in Alabama?
Yes where winters or summers are hard. Of the Alabama metros we cover, Daphne has the most comfortable months (11 of 12) based on NOAA 1991-2020 normals. Our prices do not change by month, so ask contractors whether they charge more or less in busy and slow seasons.
+What does "add rebar reinforcement" add in Alabama?
$350 to $1,050 for 400 sq ft, from a national range scaled by the statewide wage and goods indexes.
Concrete slab by city in Alabama
Where these numbers come from
Base prices are national ranges from the sources below. We scale labor by local BLS wages, materials by BEA goods prices and permits by the BEA all-items price level. Full method on the methodology page.
- HomeGuide: How Much Does a Concrete Slab Cost? (2026) (accessed November 4, 2026)
- Estimators.us: Concrete Slab Cost in 2026 | $6-$12/Sq Ft Guide (accessed November 4, 2026)
- HomeGuide: How Much Does a Concrete Patio Cost? (2026) (accessed November 4, 2026)
- HomeGuide: How Much Does a Concrete Driveway Cost? (2026) (accessed November 4, 2026)
- BLS Occupational Employment and Wage Statistics, May 2025
- BEA Regional Price Parities, 2024
- NOAA NCEI U.S. Climate Normals, 1991-2020